*SUPPORT*
IN: gazzer wif blicket lug OUT: BLUE GREEN YELLOW
IN: lug blicket wif OUT: YELLOW GREEN
IN: wif blicket lug OUT: GREEN YELLOW
IN: fep blicket fep tufa OUT: RED RED RED RED
IN: lug kiki lug tufa OUT: YELLOW YELLOW YELLOW
IN: fep tufa kiki fep gazzer blicket gazzer OUT: RED BLUE BLUE RED RED
IN: gazzer lug tufa kiki lug wif blicket lug OUT: YELLOW GREEN YELLOW BLUE YELLOW BLUE YELLOW
IN: fep blicket wif tufa OUT: RED GREEN RED GREEN
IN: fep wif blicket wif OUT: RED GREEN GREEN
IN: gazzer tufa OUT: BLUE BLUE
IN: gazzer blicket gazzer OUT: BLUE BLUE
IN: wif tufa OUT: GREEN GREEN
IN: wif lug blicket gazzer OUT: GREEN YELLOW BLUE
IN: gazzer OUT: BLUE

*QUERY*
IN: fep blicket wif OUT: RED GREEN
IN: fep blicket gazzer OUT: RED BLUE
IN: fep blicket fep kiki gazzer tufa kiki wif OUT: GREEN BLUE BLUE RED RED
IN: wif tufa tufa OUT: GREEN GREEN GREEN GREEN
IN: lug blicket fep tufa OUT: YELLOW RED YELLOW RED
IN: fep OUT: RED
IN: wif blicket gazzer OUT: GREEN BLUE
IN: wif OUT: GREEN
IN: wif tufa kiki lug OUT: YELLOW GREEN GREEN
IN: lug OUT: YELLOW

*GRAMMAR*
lug -> YELLOW 
 gazzer -> BLUE 
 fep -> RED 
 wif -> GREEN 
 x1 kiki x2 -> [x2] [x1] 
 x1 tufa -> [x1] [x1] 
 u1 blicket u2 -> [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 